.layout{
    width: 1591px;
    margin: 0 auto;
    position: relative;
}
.layout::after{
    content: '';
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}
.hd-tit{
    color: #000000;
    font-size: 40px;
    font-weight: bold;
    text-align: center;
    line-height: 2;
}
.more-btn{
    width: 268px;
    height: 80px;
    line-height: 80px;
    background: #2A6BEF;
    border-radius: 40px;
    text-align: center;
    color: #FFFFFF;
    font-size: 26px;
    font-weight: 400;
    transition: .3s all ease;
}
.more-btn:hover{
    background-color: #fff;
    border: 1px solid #2A6BEF;
    color: #2A6BEF;
}
.hd-des{
    color: #666666;
    font-size: 16px;
    font-weight: bold;
    font-weight: 400;
    text-align: center;
}


.banner{
    background: url(../img/tencent/bg-pc.png) no-repeat;
    background-size:cover;
    height: 854px;
    width: 100%;
    position: relative;
    display: flex;
    box-sizing: border-box;
}

.banner h1{
    position: absolute;
    color: #FFFFFF;
    font-size: 60px;
    line-height: 70px;
    top: 30%;
}
.banner .more-btn{
    display: none;
}

.index-product{
    padding-top: 115px;
}
.index-product .tabs{
    margin-top: 100px;
    margin-bottom: 155px;
    padding: 0 120px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.index-product .tabs li{
    height: 90px;
    position: relative;
    cursor: pointer;
}   

.index-product .tabs li.active::before {
    content: '';
    display: inline-block;
    width: 58px;
    height: 5px;
    background-color: #2B5AD7;
    position: absolute;
    z-index: 3;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}
.index-product  .index-product-bottom{
    padding-top:120px ;
    background-color: #EEF5FE;
}
.index-product  .index-product-bottom .product-swiper{
    overflow: hidden;
    line-height: 0;
}
.index-product .product-item{
    display: flex;
    justify-content: space-between;
}
.index-product .product-item .product-left{
    width: 40%;
    padding-right: 70px;
}
.index-product .product-item .product-right{
    width: 50%;
    overflow: hidden;
}
.index-product  .index-product-bottom .product-items{
    /* height: 797px; */
}
.index-product  .index-product-bottom .product-item{
    display: flex;
    align-items: center;
}

.index-product  .index-product-bottom .product-items .product-tit{
    color: #000;
    font-size: 40px;
    line-height: 1.8;
}
.index-product  .index-product-bottom .product-items .product-desc{
    color: #666666;
    font-size: 17px;
    margin: 40px 0 80px 0;
    line-height: 2.2;
    
}
.index-product  .index-product-bottom .num-container {
    display: flex;
    justify-content: space-between;
    margin-bottom: 72px;
    align-items: flex-end;
}
.index-product  .index-product-bottom .num-container .num-items h2{
    color: #333;
    font-size: 40px;
    font-weight: normal;
}
.index-product  .index-product-bottom .num-container .num-items h2 b{
    color: #234082;
    font-size: 20px;
    font-weight: normal;
}
.index-product  .index-product-bottom .num-container .num-items span{
    color: #636683;
    font-size: 19px;
    line-height: 2.5;
}
.index-product .product-item .product-right .img-box{
    display: flex;
    align-items: flex-end;
    margin-bottom: -40px;
}
.index-product .index-product-bottom .product-item .more-btn{
    display: block;
}
.index-product .index-product-bottom .more-btn{
    display: none;
}
/* index-advantage */

.index-advantage{
    padding: 127px 0;
}
.index-advantage .advantage-items{
    margin: 90px 0 74px 0;
    display: flex;
    flex-wrap: wrap;
}
.index-advantage .advantage-item{
    position: relative;    
    width: 25%;
}
.index-advantage .advantage-item .item-tit{
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: #fff;
    opacity: .7;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 116px;
    line-height: 116px;
}
.index-advantage .advantage-item .item-tit .item-img{
    height: 48px;
}
.index-advantage .advantage-item .item-tit .item-img img{
    height: 100%;
}
.index-advantage .advantage-item .item-tit h2{
    margin-left: 10px;
    color: #999999;
    font-size: 32px;
    font-weight: normal;
}

.index-advantage .advantage-item:nth-child(1) .item-tit{
    background: #F2F7FF;
    opacity: 0.46;
}
.index-advantage .advantage-item:nth-child(2) .item-tit{
    background: #E0E0E0;
    opacity: 0.92;
}
.index-advantage .advantage-item:nth-child(3) .item-tit{
    background: #F1F3F9;
    opacity: 0.46;
}
.index-advantage .advantage-item:nth-child(4) .item-tit{
    background: #E0E0E0;
    opacity: 0.92;
}
.index-advantage .advantage-item:nth-child(5) .item-tit{
    background: #CDD6DE;
}
.index-advantage .advantage-item:nth-child(6) .item-tit{
    background: #CEE0E7;
    opacity: 0.92;
}
.index-advantage .advantage-item:nth-child(7) .item-tit{
    background: #E6DBD5;
    opacity: 0.92;
}
.index-advantage .advantage-item:nth-child(8) .item-tit{
    background: #F8F8F8;
    opacity: 0.92;
}
.index-advantage .more-btn{
    display: inline-block;
    margin-left: 50%;
    transform: translateX(-50%);
}

/* index-orientation */
.index-orientation .layout{
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.index-orientation .hd-tit{
    text-align: left;
}
.index-orientation .orientation-text{
    color: #666666;
    font-size: 16px;
    line-height: 27px;
    width: 30%;
    text-align: left;
}
.index-orientation .orientation-text p{
    margin: 30px 0 70px 0;

}
.index-orientation .orientation-img{
    text-align: right;
    width: 70%;
}
/* index-release */
.index-release{
    background-color: #F7F9FC;
    padding: 127px 0 157px 0;
    text-align: center;
}
.index-release .release-items{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin: 110px -22px;

}
.index-release .release-items .release-item{
    text-align: left;
    width: 33.33%;
    padding:22px ;
}
.index-release .release-items .release-item .release-box{
    background: #FFFFFF;
    border-radius: 6px 6px 6px 6px;
    border: 1px solid #E0E2E7;
    padding: 60px 55px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}
.index-release .release-items .release-item .text-tit{
    color: #000;
    font-size: 34px;
    font-weight: normal;
    margin-bottom: 15px;
}
.index-release .release-items .release-item  .item-text{
    width: 100%;
    padding-left: 24px;
    color: #999999;
    font-size: 22px;
    line-height: 1.8;
    padding-right: 30px;
}

/* index-effect */
.index-effect{
    padding: 154px 0 108px 0;
}


.index-effect .logo-items{
    display: flex;
    justify-content: space-between;
    margin: 100px -24px 0 -24px;
}
.index-effect .logo-items .logo-item{
    padding: 24px;
    width: 16.6%;
}
.index-effect .effect-container{
    overflow: hidden;
}
.index-effect .effect-bottom{
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: 1px solid #EFF0F2;
    margin: 80px 0 50px 0;
}
.index-effect .effect-bottom .effect-text{
    padding: 0 62px;
    padding-right: 150px;
    width: 56%;
}
.index-effect .effect-bottom .effect-text .effect-tit{
    color: #000;
    font-size: 40px;
    line-height: 1.5;
    font-weight: 500;
}
.index-effect .effect-bottom .effect-text .effect-desc{
    color: #666;
    font-size: 18px;
    line-height: 1.8;
    font-weight: 500;
    margin: 40px 0 70px 0;
}
.index-effect .effect-bottom .effect-text .num-items{
    color: #636683;
    font-size: 20px;
    display: flex;
    justify-content: space-between;
    font-weight: 400;
}
.index-effect .effect-bottom .effect-text .num-item{
    width: 31%;
}
.index-effect .effect-bottom .effect-text .num-item .num{
    font-size: 65px;
    line-height: 1;
    color: #000;
    font-weight: normal;
}
.index-effect .effect-bottom .effect-text .num-item .num span{
        font-size: 20px;
        vertical-align: inherit;
}
.index-effect .effect-bottom .effect-img{
    width: 44%;

}

/* index-marketing */

.index-marketing{
    background-image: url('../img/tencent//marketingbg.png');
    padding: 120px 0;
}
.index-marketing .layout{
    width: 1260px;
}
.index-marketing .news-box{
    margin-top: 80px;
    background-color: #fff;
    border-radius: 15px;
    padding: 30px 20px;
    font-size: 16px;
}
.index-marketing .news-container{
    margin-top: 10px;
    display: flex;
    justify-content: space-between;
}
.index-marketing .news-box .news-items{
    width: 47%;
}
.index-marketing .news-box .news-items .news-item{
    line-height: 2;
}
.index-marketing .news-box .news-items .news-item a{
    display: inline-block;
    cursor: pointer;
    width: 100%;
}
.index-marketing .news-box .news-items .news-item p{
    width: calc(100% - 100px);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    display: inline-block;
    padding-right: 30px;
}
.index-marketing .news-box .news-items .news-item b{
    display: inline-block;
    width: 100px;
    color: #999999;
    vertical-align: inherit;
    font-weight: normal;
}

/* index-contacts */

.index-contacts{
    background-color: #FAFAFA;
    padding:0 0 50px 0;
    overflow: hidden;
}
.index-contacts .hd-tit{
    margin: 100px 0;
}
.index-contacts .cont-from{
    float: left;
    background-color: #fff;
    box-shadow: 0 6px 30px 5px rgba(0, 0, 0, 0.05);
    width: 50%;
    padding: 100px 60px  40px 60px;
}
.index-contacts  .cont-from h2{
    color: #000;
    text-align: center;
    font-size: 34px;
    font-weight: normal;
    margin-bottom: 40px;
}
.index-contacts  .cont-from .from-item span{
    color: #000;
    font-size: 22px;
    font-weight: bold;
    display: inline-block;
    margin: 30px 0 20px 0;
}
.index-contacts  .cont-from .from-item span b{
   color: red;
}
.index-contacts  .cont-from .from-item input,.index-contacts  .cont-from .from-item textarea{
    border: 1px solid rgb(214, 214, 214);
    padding: 30px 20px !important;
    border-radius: 5px;
    outline: none;
    font-size: 20px;
    position: relative;
}
.index-contacts  .cont-from .from-item .verification{
    position: relative;
}
.index-contacts  .cont-from .from-item .verification a{
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    display: inline-block;
    color: #316AF5;
    z-index: 2;
    font-size: 20px;
    border-left: 1px solid #E2E2E2;
    padding-left: 15px;
}
.index-contacts  .cont-from .from-item .verification input{
    padding-right: 150px !important;
}
.index-contacts  .cont-from .submit-btn{
    background-color: #4F65F7;
    color: #fff;
    font-size: 22px;
    width: 220px;
    text-align: center;
    height: 65px;
    line-height: 65px;
    border-radius: 10px;
    margin-top: 25px;
    transition: 0.3s all ease-in-out;
}
.index-contacts  .cont-from .submit-btn:hover{
    background-color: #fff;
    border: 1px solid #4F65F7;
    color: #4F65F7;
}
.index-contacts .contact-right{
    float: left;
    padding: 100px 60px  40px 60px;
}
.index-contacts .contact-right h2{
    color: #000;
    text-align: center;
    font-size: 34px;
    font-weight: normal;
    margin-bottom: 40px;
    text-align: left;
    position: relative;
    padding-bottom: 25px;
}
.index-contacts .contact-right h2::after{
    content: '';
    display: inline-block;
    position: absolute;
    bottom: 0px;
    left: 0;
    border-top: 8px solid #4F66F7;
    width: 60px;
    border-radius: 7px;
}
.contact-right::after{
    content: '';
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}
.contact-right .code-img,.contact-right .contact-list{
    float: left;
}
.contact-right .code-img{
    width:250px;
}
.contact-right .code-img img{
    width: 100%;
}
.contact-right .contact-list{
    margin-left: 20px;
    color: #8C8C8C;
    font-size: 24px;
    line-height: 2;
}
@media screen and (max-width: 1600px) {
    .layout{
        width: 90%;
    }

}
@media screen and (max-width: 750px) {
    .layout{
        width: 90%;
        overflow: hidden;
    }
    .more-btn{
        width: 35.73vw;
        height: 10.67vw;
        line-height: 10.67vw;
        border-radius: 5.33vw;
        font-size: 3.47vw;
    }
    .hd-tit{
        font-size: 5.33vw;
    }
    .hd-des{
        font-size: 2.13vw;
    }
    .banner {
        background-position: center;
        padding: 34vw 0 15vw 0;
        height: auto;
    }
    .banner h1{
        position: relative;
        width: 100%;
        text-align: center;
        line-height: 9.67vw;
        font-size:5.33vw;
    }
    .banner .more-btn{
        display: block;
        position: relative;
        left: 50%;
        transform: translateX(-50%);
        margin-top: 22vw;
    }
    .index-product{
        padding: 9.73vw 0 13vw 0;
    }
    .index-product .tabs{
        margin-top: 8vw;
        margin-bottom: 14vw;
        width: 100%;
        padding: 0;
    }
    .index-product .more-btn{
        display: none;
    }
    .index-product .tabs li{
        height: 7.33vw;
        width: 7.33vw;
    }
    .index-product .tabs li img{
        width: 100%;
    }
    .index-product .tabs li.active::before{
        width: 5.67vw;
        height: 0.4vw;
    }
    .index-product .index-product-bottom .product-item{
        width: 50%;
        background-color: #FFFFFF;
        border-radius: 0.8vw;
        border: 0.13vw solid #E6EBF2;
    }
    .index-product .index-product-bottom .product-item .more-btn{
        display: none;
    }
    .index-product .index-product-bottom .more-btn{
        display: block;
        margin: 6.67vw auto;
    }
    .index-product .product-item .product-right{
        display: none;
    }
    
    .index-product .product-item .product-left{
        padding-right: 0;
        width: 100%;
    }
    .index-product .index-product-bottom{
        padding: 4.8vw;
    }
    .index-product-bottom .layout{
       width: 100%;
    }
    .index-product .index-product-bottom .product-items .product-tit{
        font-size: 2.67vw;
        padding: 2.53vw 2.53vw 0 2.53vw;
    }
    .index-product .index-product-bottom .product-items .product-desc{
        font-size: 2.13vw;
        font-weight: 500;
        margin: 2.13vw 0;
        border-bottom: #EFF0F2 solid 0.13vw;
        padding: 0 2.53vw;
    }
    .index-product .index-product-bottom .num-container .num-items h2{
        font-size: 3.2vw;
        color: #626262;
    }
    .index-product .index-product-bottom .num-container .num-items:nth-child(3){
        display: none;
    }
    .index-product .index-product-bottom .num-container .num-items span{
        font-size: 1.67vw;
        color: #999999;
    }
    .index-product .index-product-bottom .num-container{
        position: relative;
        padding: 0 2.53vw;
        margin: 0;
        margin-bottom: 2.53vw;
    }
    .index-product .index-product-bottom .num-container .num-items{
        width: 50%;
    }   
    .index-product .index-product-bottom .num-container .num-items:nth-child(2){
        padding-left: 3vw;
        
    }
    .index-product .index-product-bottom .num-container::after{
        content: '';
        height: 80%;
        border-left: 0.26vw solid #EFF0F2;
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%,-50%);
    }

    .index-advantage{
        padding: 9.47vw 0;
    }
    .index-advantage .advantage-items{
        margin: 10vw 0;
    }
    .index-advantage .advantage-item{
        width: 50%;
    }
    .index-advantage .advantage-item .item-tit{
        width: 100%;
        height: 12.27vw;
        line-height: 12.27vw;
        
    }
    .index-advantage .advantage-item .item-tit h2{
        font-size: 3.33vw;
    }
    .index-advantage .advantage-item .item-tit img{
        width: 5.07vw;
        height: 5.07vw;
    }

    .index-orientation .layout{
        flex-wrap: wrap;
    }
    .index-orientation .more-btn{
        display: none;
    }
    .index-orientation .hd-tit{
        text-align: center;
    }
    .index-orientation .orientation-text{
        width: 100%;
        text-align: center;
        font-size: 2.13vw;
        line-height: 1.8;
    }
    .index-orientation .orientation-img{
        width: 100%;
    }
    .index-release{
        padding: 18vw 0 14vw 0;
    }
    .index-release .release-items .release-item{
        width: 50%;
        padding: 1.51vw 1.86vw;
    }
    .index-release .release-items .release-item .release-box{
        padding:3.73vw 0;
        align-items: center;
        flex-wrap: wrap;
        justify-content: center;
    }
    .index-release .release-items .release-item .release-box .item-img{
        display: block;
        text-align: center;
        margin-bottom: 1.33vw;
    }
    .index-release .release-items .item-img img{
        width: 4.27vw;
        height: 4.27vw;
    }
    .index-release .release-items .release-item .text-tit{
        font-size: 2.93vw;
        margin-bottom: 0;
    }
    .index-release .release-items .release-item .text-desc{
        display: none;
    }   
    .index-release .release-items .release-item .item-text{
        display: block;
        text-align: center;
    }
    .index-release .release-items{
        margin: 8.13vw -1.86vw;
    }
    .index-effect{
        text-align: center;
        padding: 14vw 0 10vw 0;
    }
    .index-effect .logo-items{
        display: none;
    }
    .index-effect .effect-bottom{
        flex-wrap: wrap-reverse;
        text-align: left;
        margin-top: 10vw;
    }
    
    .index-effect .effect-bottom .effect-text{
        width: 100%;
        padding: 0;
    }
    .index-effect .effect-bottom .effect-text .effect-tit{
        color: #999999;
        font-size: 2.67vw;
        border-bottom:1px solid #EFF0F2 ;
        padding: 3.07vw;
    }
    .index-effect .effect-bottom .effect-text .num-item .num{
        font-size: 3.2vw;
        color: #626262;
    }
    .index-effect .effect-bottom .effect-text .num-item .num span{
        font-size: 1.87vw;
    }
    .index-effect .effect-bottom .effect-text .num-item{
        width: 50%;
        font-size: 1.87vw;
        color: #999999;
    }
    .index-effect .effect-bottom .effect-img{
        width: 100%;
    }
    .index-effect .effect-bottom .effect-text .effect-desc{
        display: none;
    }
    .index-effect .effect-bottom .effect-text .num-items{
        padding: 1.5vw 3.07vw;
    }
    .index-effect .effect-bottom .effect-text .num-item:nth-child(3){
        display: none;
    }




    .index-marketing .layout{
        width: 90%;
    }
    .index-marketing{
        padding: 10vw 0;
    }
    .index-marketing .news-container .news-items{
        width: 100%;
    }
    .index-marketing .news-container .news-items:nth-child(2){
        display: none;
    }
    
    .index-contacts .cont-from{
        width: 100%;
        padding: 7vw 5vw;
    }
    .index-contacts .hd-tit{
        margin: 20vw 0;
    }
    .index-contacts .cont-from h2 ,.index-contacts .contact-right h2{
        font-size: 5.6vw;
    }
    .index-contacts .contact-right h2{
        text-align: center;
    }
    .index-contacts .contact-right h2::after {
        left: 50%;
        transform: translateX(-50%);
    }
    .index-contacts .cont-from .from-item input, .index-contacts .cont-from .from-item textarea{
        padding: 3.5vw 3vw !important;
        border-radius: 1vw;
        font-size: 3.6vw;
    }
    .index-contacts .cont-from .from-item span{
        font-size: 3.6vw;
        font-weight: normal;
        margin: 2vw 0 3vw 0;
    }
    .index-contacts .cont-from .from-item .verification a{
        font-size: 2.6vw;
    }
    .index-contacts .contact-right{
        padding: 7vw 5vw;
        width: 100%;
    }
    .contact-right .contact-list{
        float: right;
        font-size: 3.4vw;
        padding-left: 2vw;
        padding-top: 6vw;
        margin: 0;
    }
    .contact-right .code-img,.contact-right .contact-list{
        width: 50%;
    }

}